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      1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
      2 /*
      3  * Copyright (C) 2024 Josua Mayer <josua (a] solid-run.com>
      4  *
      5  */
      6 
      7 #include <dt-bindings/gpio/gpio.h>
      8 
      9 / {
     10 	model = "SolidRun CN9130 SoM";
     11 	compatible = "solidrun,cn9130-sr-som", "marvell,cn9130";
     12 
     13 	aliases {
     14 		ethernet0 = &cp0_eth0;
     15 		ethernet1 = &cp0_eth1;
     16 		ethernet2 = &cp0_eth2;
     17 		i2c0 = &cp0_i2c0;
     18 		mmc0 = &ap_sdhci0;
     19 		rtc0 = &cp0_rtc;
     20 	};
     21 
     22 	chosen {
     23 		stdout-path = "serial0:115200n8";
     24 	};
     25 
     26 	v_1_8: regulator-1-8 {
     27 		compatible = "regulator-fixed";
     28 		regulator-name = "1v8";
     29 		regulator-min-microvolt = <1800000>;
     30 		regulator-max-microvolt = <1800000>;
     31 	};
     32 
     33 	/* requires assembly of R9307 */
     34 	vhv: regulator-vhv-1-8 {
     35 		compatible = "regulator-fixed";
     36 		regulator-name = "vhv-1v8";
     37 		regulator-min-microvolt = <1800000>;
     38 		regulator-max-microvolt = <1800000>;
     39 		pinctrl-0 = <&cp0_reg_vhv_pins>;
     40 		pinctrl-names = "default";
     41 		gpios = <&cp0_gpio2 9 GPIO_ACTIVE_HIGH>;
     42 		enable-active-high;
     43 	};
     44 };
     45 
     46 &ap_pinctrl {
     47 	ap_mmc0_pins: ap-mmc0-pins {
     48 		marvell,pins = "mpp0", "mpp1", "mpp2", "mpp3", "mpp4", "mpp5",
     49 					   "mpp6", "mpp7", "mpp8", "mpp9", "mpp10", "mpp12";
     50 		marvell,function = "sdio";
     51 		/*
     52 		 * mpp12 is emmc reset, function should be sdio (hw_rst),
     53 		 * but pinctrl-mvebu does not support this.
     54 		 *
     55 		 * From pinctrl-mvebu.h:
     56 		 * "The name will be used to switch to this setting in DT description, e.g.
     57 		 * marvell,function = "uart2". subname is only for debugging purposes."
     58 		 */
     59 	};
     60 };
     61 
     62 &ap_sdhci0 {
     63 	bus-width = <8>;
     64 	pinctrl-0 = <&ap_mmc0_pins>;
     65 	pinctrl-names = "default";
     66 	vqmmc-supply = <&v_1_8>;
     67 	status = "okay";
     68 };
     69 
     70 &cp0_ethernet {
     71 	status = "okay";
     72 };
     73 
     74 /* for assembly with phy */
     75 &cp0_eth2 {
     76 	pinctrl-names = "default";
     77 	pinctrl-0 = <&cp0_eth2_pins>;
     78 	phy-mode = "rgmii-id";
     79 	phy = <&cp0_eth2_phy>;
     80 	status = "okay";
     81 };
     82 
     83 &cp0_i2c0 {
     84 	pinctrl-names = "default";
     85 	pinctrl-0 = <&cp0_i2c0_pins>;
     86 	clock-frequency = <100000>;
     87 	status = "okay";
     88 
     89 	som_eeprom: eeprom@53 {
     90 		compatible = "atmel,24c02";
     91 		reg = <0x53>;
     92 		pagesize = <8>;
     93 	};
     94 };
     95 
     96 &cp0_mdio {
     97 	pinctrl-0 = <&cp0_mdio_pins>;
     98 	status = "okay";
     99 
    100 	/* assembly option */
    101 	cp0_eth2_phy: ethernet-phy@0 {
    102 		reg = <0>;
    103 	};
    104 };
    105 
    106 &cp0_spi1 {
    107 	status = "okay";
    108 	pinctrl-names = "default";
    109 	pinctrl-0 = <&cp0_spi1_pins>;
    110 	/* max speed limited by a mux */
    111 	spi-max-frequency = <1800000000>;
    112 
    113 	flash@0 {
    114 		compatible = "jedec,spi-nor";
    115 		reg = <0>;
    116 		/* read command supports max. 50MHz */
    117 		spi-max-frequency = <50000000>;
    118 	};
    119 };
    120 
    121 &cp0_syscon0 {
    122 	cp0_pinctrl: pinctrl {
    123 		compatible = "marvell,cp115-standalone-pinctrl";
    124 
    125 		cp0_eth2_pins: cp0-ge2-rgmii-pins {
    126 			marvell,pins = "mpp44", "mpp45", "mpp46", "mpp47",
    127 				       "mpp48", "mpp49", "mpp50", "mpp51",
    128 				       "mpp52", "mpp53", "mpp54", "mpp55";
    129 			/* docs call it "ge2", but cp110-pinctrl "ge1" */
    130 			marvell,function = "ge1";
    131 		};
    132 
    133 		cp0_i2c0_pins: cp0-i2c0-pins {
    134 			marvell,pins = "mpp37", "mpp38";
    135 			marvell,function = "i2c0";
    136 		};
    137 
    138 		cp0_mdio_pins: cp0-mdio-pins {
    139 			marvell,pins = "mpp0", "mpp1";
    140 			marvell,function = "ge";
    141 		};
    142 
    143 		cp0_spi1_pins: cp0-spi1-pins {
    144 			marvell,pins = "mpp13", "mpp14", "mpp15", "mpp16";
    145 			marvell,function = "spi1";
    146 		};
    147 
    148 		cp0_reg_vhv_pins: cp0-reg-vhv-pins {
    149 			marvell,pins = "mpp41";
    150 			marvell,function = "gpio";
    151 		};
    152 	};
    153 };
    154 
    155 /* AP default console */
    156 &uart0 {
    157 	pinctrl-0 = <&uart0_pins>;
    158 	pinctrl-names = "default";
    159 	status = "okay";
    160 };
    161